There are two methods for a user without a user account created in "2.5.5 Starting CSG Web GUI" to use this product, as described below:
With a local authentication user
You can register a local authenticated user in this product, and then access CSG Web GUI and CSG REST API via that account.
With an external authentication user (user account that is authenticated externally)
You can register an authentication server in this product, and then access CSG Web GUI and CSG REST API via a user account that is registered on that authentication server.
